<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Document</title>
</head>
<body id="lia-body">
<div class="lia-content">
    <div class="inputwrapper">
        <label><span>姓名：</span><input type="text" name="fullname"></label>
        <div class="result"></div>
    </div>
</div>
<script src="http://apps.bdimg.com/libs/jquery/1.11.3/jquery.min.js"></script>
<script>
    $(function(){
        var $inputwrapper = $('#lia-body .lia-content .inputwrapper');
        $inputwrapper.find('input').on('input propertychange',function(){
            var result = $(this).val();
            console.log(result);
            $inputwrapper.find('.result').html(result);
        });
    })
</script>
</body>
</html>